会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • Preparation of substituted bridged indenyl and related ligands
    • 取代的桥连茚基和相关配体的制备
    • US07910783B2
    • 2011-03-22
    • US11302846
    • 2005-12-14
    • Alexander Z. VoskoboynikovMikhail V. NikulinAlexey N. RyabovAlexander V. LyginCatalina L. CokerJo Ann M. Canich
    • Alexander Z. VoskoboynikovMikhail V. NikulinAlexey N. RyabovAlexander V. LyginCatalina L. CokerJo Ann M. Canich
    • C07C13/28C07C13/32C07C13/465C07C13/567
    • C07F17/00
    • A process for preparing a chelating ligand of the formula (II) from a chelating ligand of the formula (I) via an sp2-sp2 or sp2-sp3 coupling reaction with an organometallic compound of the formula (III). wherein B is a bridging group that is bonded to L1 and L2 in formula (I) and to L3 and L4 in formula (II); L1 is a substituted monocyclic or polycyclic ligand that comprises at least one chlorine, bromine, iodine, or sulfonate substituent, directly bonded to an sp2 carbon atom of the ring structure of the ligand; L2 is a monoanionic ligand; or L2 may, independently, be defined as L1; L3 is the same group as L1, but said at least one chlorine, bromine, iodine, or sulfonate substituent is replaced with a hydrocarbyl, substituted hydrocarbyl, halocarbyl, or substituted halocarbyl fragment; L4 is the same group as L2, though, when L2 is defined as L1, L4 may be the same as L3 or L1; R1 is a hydrocarbyl, substituted hydrocarbyl, halocarbyl, or substituted halocarbyl; M1 is an element of group 1, 2, 12, 13 or 14 of the Periodic Table of the Elements; each X2, if present, is selected independently from the group consisting of halogen atoms, the hydroxyl group, alkoxy groups, aryloxy groups, mesylate, tosylate and triflate; r is 1, 2 or 3, and t is 0, 1 or 2, where r+t corresponds to the oxidation number of M1.
    • 通过与式(III)的有机金属化合物的sp2-sp2或sp2-sp3偶联反应从式(I)的螯合配体制备式(II)的螯合配体的方法。 其中B是与式(I)中的L1和L2键合并且在式(II)中与L3和L4键合的桥连基团; L1是取代的单环或多环配体,其包含直接键合到配体的环结构的sp2碳原子上的至少一个氯,溴,碘或磺酸盐取代基; L2是单阴离子配体; 或L2可以独立地定义为L1; L3是与L1相同的基团,但是所述至少一个氯,溴,碘或磺酸酯取代基被烃基取代的烃基,卤代烃基或取代的卤代烃基片段代替; L4与L2相同,但当L2定义为L1时,L4可以与L3或L1相同; R 1是烃基,取代的烃基,卤代烃基或取代的卤代烃基; M1是元素周期表第1,2,12,13或14族的元素; 每个X 2如果存在,独立地选自卤素原子,羟基,烷氧基,芳氧基,甲磺酸酯,甲苯磺酸酯和三氟甲磺酸酯; r为1,2或3,t为0,1或2,其中r + t对应于M1的氧化数。
    • 6. 发明授权
    • Halogen substituted metallocene compounds for olefin polymerization
    • 用于烯烃聚合的卤素取代的金属茂化合物
    • US07550544B2
    • 2009-06-23
    • US11302821
    • 2005-12-14
    • Alexander Z. VoskoboynikovAlexey N. RyabovMikhail V. NikulinAlexander V. LyginCatalina L. CokerJo Ann M. Canich
    • Alexander Z. VoskoboynikovAlexey N. RyabovMikhail V. NikulinAlexander V. LyginCatalina L. CokerJo Ann M. Canich
    • C08F4/64C08F4/76C07F17/00
    • C07F17/00Y10S526/941Y10S526/943
    • A metallocene compound is represented by the formula (1): wherein: M is a Group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom, preferably a Group 4 transition metal atom selected from titanium, zirconium or hafnium; E is a substituted or unsubstituted monocyclic or polycyclic arenyl ligand pi-bonded to M; A is a substituted or unsubstituted polycyclic arenyl ligand that is pi-bonded to M and has a different ring structure than the E ligand; at least one of the A and E ligands includes at least one halogen substituent directly bonded to an sp2 carbon at a bondable ring position; Y is a bridging group containing at least one Group 13, 14, 15, or 16 element and any single position of the ring structure of A and to any single position of the ring structure of E; and y is zero or 1, indicating the absence (y=0) or presence (y=1) of Y; and each X is a univalent anionic ligand, or two X are joined and bound to the metal atom to form a metallocycle ring, or two X are joined to form a chelating ligand, a diene ligand, or an alkylidene ligand; provided that when E is an unsubstituted cyclopentadienyl ligand, either y is one or A is not 2-bromofluorenyl or 2,7-dibromofluorenyl.
    • 金属茂化合物由式(1)表示:其中:M是第3,4,5或6族过渡金属原子,或镧系元素金属原子或锕系金属原子,优选选自钛的第4族过渡金属原子 ,锆或铪; E是与M键合的取代或未取代的单环或多环的烷基配体; A是取代或未取代的与M配体结合并具有不同于E配体的环结构的多环烷基配体; A和E配体中的至少一个配体包括至少一个卤素取代基,直接键合到可结合的环位置上的sp2碳; Y是含有至少一个第13,14,15或16族元素和A的环结构的任何单个位置和E的环结构的任何单个位置的桥连基团; y为0或1,表示Y不存在(y = 0)或存在(y = 1); 并且每个X是一价阴离子配体,或两个X连接并结合到金属原子以形成金属环,或者两个X连接形成螯合配体,二烯配体或亚烷基配体; 条件是当E是未取代的环戊二烯基配体时,y是1或A不是2-溴芴基或2,7-二溴芴基。
    • 8. 发明授权
    • Bridged metallocene catalysts
    • 桥接金属茂催化剂
    • US09079985B2
    • 2015-07-14
    • US13996831
    • 2011-12-20
    • Luigi ResconiPascal CastroAlexander Z. VoskoboynikovVyatcheslav V. IzmerDmitry S. Kononovich
    • Luigi ResconiPascal CastroAlexander Z. VoskoboynikovVyatcheslav V. IzmerDmitry S. Kononovich
    • C08F4/6592C08F4/642C08F4/643C08F10/00C08F4/76C08F4/659B01J31/22C07F17/00C08F4/52C08F110/06C08F210/06
    • C08F4/76B01J31/2295B01J2231/122B01J2531/48B01J2531/49C07F17/00C08F4/52C08F4/65908C08F4/65927C08F10/00C08F110/06C08F210/06C08F4/65912C08F2500/03C08F2500/12C08F210/16
    • A solid, particulate catalyst comprising: (i) a complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R′2C—, —R′2C—CR′2—, —R′2Si—, —R′2Si—SiR′2—, —R′2Ge—, wherein each R′ is independently a hydrogen atom, C1-C20-hydrocarbyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl; each R1 is a C4-C20 hydrocarbyl radical branched at the β-atom to the cyclopentadienyl ring, optionally containing one or more heteroatoms belonging to groups 14-16, or is a C3-C20 hydrocarbyl radical branched at the β-atom to the cyclopentadienyl ring where the β-atom is an Si-atom; each R18 is a C1-C20 hydrocarbyl radical optionally containing one or more heteroatoms belonging to groups 14-16; each R4 is a hydrogen atom or a C1-6-hydrocarbyl radical; each W is a 5 or 6 membered aryl or heteroaryl ring wherein each atom of said ring is optionally substituted with at least one R5 group; each R5 is the same or different and is a C1-C20 hydrocarbyl radical optionally containing one or more heteroatoms belonging to groups 14-16; and optionally two adjacent R5 groups taken together can form a further mono or multicyclic ring condensed to W optionally substituted by one or two groups R5; and each R7 is a C1-C20 hydrocarbyl radical; and (ii) a cocatalyst, preferably comprising an organometallic compound of a Group 13 metal.
    • 一种固体颗粒催化剂,其包含:(i)式(I)的络合物,其中M为锆或铪; 每个X是σ配体; L是选自-R'2C-,-R'2C-CR'2-,-R'2Si-,-R'2Si-SiR'2-,-R'2Ge-的二价桥,其中每个R' 独立地为氢原子,C 1 -C 20烃基,三(C 1 -C 20烷基)甲硅烷基,C 6 -C 20 - 芳基,C 7 -C 20 - 芳基烷基或C 7 -C 20 - 烷基芳基; 每个R 1是在原子团上分支到环戊二烯基的C 4 -C 20烃基,任选地含有一个或多个属于第14-16族的杂原子,或者是在原子团分支的C 3 -C 20烃基 其中原子是硅原子的环戊二烯基环; 每个R18是任选地含有一个或多个属于第14-16族的杂原子的C1-C20烃基; 每个R 4是氢原子或C 1-6烃基; 每个W是5或6元芳基或杂芳基环,其中所述环的每个原子任选被至少一个R 5基团取代; 每个R 5相同或不同,并且是任选地含有一个或多个属于第14-16族的杂原子的C 1 -C 20烃基; 并且任选地两个相邻的R5基团可以形成另外的一个或多个环,其被稠合至可任选地被一个或两个基团R 5取代的W; 并且每个R 7是C 1 -C 20烃基; 和(ii)助催化剂,优选包含第13族金属的有机金属化合物。